重型载货汽车动力传动系统参数优化匹配.pdf

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重型载货汽车动力传动系统参数优化匹配★
王铁 1 武玉维李萍锋 1 郑利锋 2 王晓 2
(;)
【摘要】针对某重型载货汽车油耗过高问题,利用仿真软件 AVL—Crusie建立了整车性能仿真模型,采用

化设计和匹配。,在满足汽车动力性各项设计指标的前提下,该车辆驱动功率损失率降低了
% 6工况循环油耗降低了 %
主题词:重型载货汽车传动系参数优化
中图分类号::A 文章编号:1000—3703(2010)09—0033—05
The Parameter Optimized Matching ofPowertrain for Heavy
Dutv Truck
W angTie ,WuYuwei’,Li Pingfeng,Zheng Li~ng ,Wang Xiao
(; of University ChanganHeavy-Duty Truck Co.,Ltd)
【Abstract]To solve the problem of high fuel consumption of a heavy duty truck,a vehicle performance simulation simulation performance truck,aduty heavy a vehicle of consumption fuel high of 【Abstract]Toproblem the solve
modelestablished is with softwareAVL—Crusie,and amathematic analysisequation established is with MATLAB,which is
integrated to to a optimized ISIGHTintegrated platform software,and and optimization matching are made the to ofspeed ratio
results indicate that,after optimization design,driving powerloss ofthe vehicle decreases by %,and
fuel consumptionfuel in 6-cycle decreases %.while satisfyingthedesign of vehiclecriteria dynamic properly.
Key words:Heavy-duty truck,Powertrain parameters,Optimization
1 1 前言系统参数优化匹配。
2 技术方案
汽车行驶时动力的产生、传递过程可以视为发
动机与传动系统协同工